单选题 --Good morning, Grand Hotel.
--Hello, I'd like to book a room for the nights of the 18th and 19th.
A. What can I do for you? B. Just a minute, please.
C. What's the matter? D. At your service.

【正确答案】 B
【答案解析】[解析] 根据对话内容知道是一客人想预订房间，作为宾馆接线员他(她)必须先核查一下是否还有空闲的房间，所以应是让对方先等一等。故本题答案为B。